Abstract:We report on the anisotropy of the vortex motion surface impedance of a FeSexTe1−x thin film grown on a CaF2 substrate. The dependence on the magnetic field intensity up to 1.2 T and direction, both parallel and perpendicular to the sample c-axis, was explored at fixed temperature at two distinct frequencies, ∼ 16 GHz and ∼ 27 GHz, by means of bitonal dielectric resonator. The free flux flow resistivity ρ ff was obtained by exploiting standard models for the high frequency dynamics, whereas the angle dependenc… Show more
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